add emqttd_time module, fix comments and format

src/emqttd_access_control.erl

@@ -14,11 +14,8 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Authentication and ACL Control.
 -module(emqttd_access_control).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 -behaviour(gen_server).
@@ -43,6 +40,8 @@
 
 -type password() :: undefined | binary().
 
+-record(state, {}).
+
 %%--------------------------------------------------------------------
 %% API
 %%--------------------------------------------------------------------
@@ -128,10 +127,9 @@ stop() -> gen_server:call(?MODULE, stop).
 
 init([Opts]) ->
     ets:new(?ACCESS_CONTROL_TAB, [set, named_table, protected, {read_concurrency, true}]),
-
     ets:insert(?ACCESS_CONTROL_TAB, {auth_modules, init_mods(auth, proplists:get_value(auth, Opts))}),
     ets:insert(?ACCESS_CONTROL_TAB, {acl_modules, init_mods(acl, proplists:get_value(acl, Opts))}),
-    {ok, state}.
+    {ok, #state{}}.
 
 init_mods(auth, AuthMods) ->
     [init_mod(authmod(Name), Opts) || {Name, Opts} <- AuthMods];
@@ -151,7 +149,8 @@ handle_call({register_mod, Type, Mod, Opts, Seq}, _From, State) ->
                         NewMods = lists:sort(fun({_, _, Seq1}, {_, _, Seq2}) ->
                                             Seq1 >= Seq2
                                     end, [{Mod, ModState, Seq} | Mods]),
-                        ets:insert(?ACCESS_CONTROL_TAB, {tab_key(Type), NewMods});
+                        ets:insert(?ACCESS_CONTROL_TAB, {tab_key(Type), NewMods}),
+                        ok;
                     {error, Error} ->
                         lager:error("Access Control: register ~s error - ~p", [Mod, Error]),
                         {error, Error};

src/emqttd_access_rule.erl

@@ -1,4 +1,4 @@
-%% -------------------------------------------------------------------
+%%--------------------------------------------------------------------
 %% Copyright (c) 2012-2016 Feng Lee <feng@emqtt.io>.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,13 +12,10 @@
 %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 %% See the License for the specific language governing permissions and
 %% limitations under the License.
-%% -------------------------------------------------------------------
+%%--------------------------------------------------------------------
 
-%% @doc Access Rule.
 -module(emqttd_access_rule).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 -type who() :: all | binary() |

src/emqttd_acl_internal.erl

@@ -14,17 +14,14 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Internal ACL that load rules from etc/acl.config
 -module(emqttd_acl_internal).
 
--author("Feng Lee <feng@emqtt.io>").
+-behaviour(emqttd_acl_mod).
 
 -include("emqttd.hrl").
 
 -export([all_rules/0]).
 
--behaviour(emqttd_acl_mod).
-
 %% ACL callbacks
 -export([init/1, check_acl/2, reload_acl/1, description/0]).
 
@@ -55,10 +52,8 @@ init(AclOpts) ->
     AclFile = proplists:get_value(file, AclOpts),
     Default = proplists:get_value(nomatch, AclOpts, allow),
     State = #state{acl_file = AclFile, nomatch = Default},
-    case load_rules_from_file(State) of
-        ok             -> {ok, State};
-        {error, Error} -> {error, Error}
-    end.
+    true = load_rules_from_file(State),
+    {ok, State}.
 
 load_rules_from_file(#state{acl_file = AclFile}) ->
     {ok, Terms} = file:consult(AclFile),

src/emqttd_acl_mod.erl

@@ -14,11 +14,8 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc ACL module behaviour.
 -module(emqttd_acl_mod).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 %%--------------------------------------------------------------------

src/emqttd_app.erl

@@ -14,11 +14,8 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd application.
 -module(emqttd_app).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd_cli.hrl").
 
 -behaviour(application).

src/emqttd_auth_anonymous.erl

@@ -17,8 +17,6 @@
 %% @doc Anonymous Authentication Module
 -module(emqttd_auth_anonymous).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -behaviour(emqttd_auth_mod).
 
 -export([init/1, check/3, description/0]).

src/emqttd_auth_clientid.erl

@@ -14,11 +14,8 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc ClientId Authentication Module.
 -module(emqttd_auth_clientid).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 -export([add_clientid/1, add_clientid/2, lookup_clientid/1, remove_clientid/1,

src/emqttd_auth_ldap.erl

@@ -17,8 +17,6 @@
 %% @doc LDAP Authentication Module
 -module(emqttd_auth_ldap).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 -import(proplists, [get_value/2, get_value/3]).

src/emqttd_auth_mod.erl

@@ -17,8 +17,6 @@
 %% @doc Authentication Behaviour.
 -module(emqttd_auth_mod).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 -export([passwd_hash/2]).

src/emqttd_bridge.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd bridge
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_bridge).
 
 -behaviour(gen_server2).

src/emqttd_bridge_sup.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Bridge Supervisor
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_bridge_sup).
 
 -behavior(supervisor).
@@ -57,8 +55,8 @@ start_bridge(Node, Topic, Options) when is_atom(Node) andalso is_binary(Topic) -
 stop_bridge(Node, Topic) when is_atom(Node) andalso is_binary(Topic) ->
     ChildId = ?BRIDGE_ID(Node, Topic),
     case supervisor:terminate_child(?MODULE, ChildId) of
-        ok              -> supervisor:delete_child(?MODULE, ChildId);
-        {error, Reason} -> {error, Reason}
+        ok    -> supervisor:delete_child(?MODULE, ChildId);
+        Error -> Error
     end.
 
 %%--------------------------------------------------------------------

src/emqttd_client.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Client Connection
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_client).
 
 -behaviour(gen_server).

src/emqttd_cm.erl

@@ -15,9 +15,10 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Client Manager
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_cm).
 
+-behaviour(gen_server2).
+
 -include("emqttd.hrl").
 
 -include("emqttd_internal.hrl").
@@ -27,8 +28,6 @@
 
 -export([lookup/1, lookup_proc/1, register/1, unregister/1]).
 
--behaviour(gen_server2).
-
 %% gen_server Function Exports
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
          terminate/2, code_change/3]).

src/emqttd_cm_sup.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc Client Manager Supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_cm_sup).
 
 -behaviour(supervisor).

src/emqttd_ctl.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd control
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_ctl).
 
 -behaviour(gen_server).
@@ -27,10 +25,7 @@
 -define(SERVER, ?MODULE).
 
 %% API Function Exports
--export([start_link/0,
-         register_cmd/3,
-         unregister_cmd/1,
-         run/1]).
+-export([start_link/0, register_cmd/3, unregister_cmd/1, run/1]).
 
 %% gen_server Function Exports
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2,

src/emqttd_gen_mod.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd gen_mod behaviour
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_gen_mod).
 
 -include("emqttd.hrl").

src/emqttd_guid.erl

@@ -27,8 +27,6 @@
 %% 4. Sequence:  2 bytes sequence in one process
 %%
 %% @end
-%%
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_guid).
 
 -export([gen/0, new/0, timestamp/1]).

src/emqttd_http.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd http publish API and websocket client.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_http).
 
 -include("emqttd.hrl").

src/emqttd_keepalive.erl

@@ -14,8 +14,7 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc client keepalive
-%% @author Feng Lee <feng@emqtt.io>
+%% @doc Client Keepalive
 -module(emqttd_keepalive).
 
 -export([start/3, check/1, cancel/1]).

src/emqttd_message.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Message Functions
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_message).
 
 -include("emqttd.hrl").

src/emqttd_metrics.erl

@@ -14,8 +14,7 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd metrics. responsible for collecting broker metrics
-%% @author Feng Lee <feng@emqtt.io>
+%% @doc emqttd metrics. responsible for collecting broker metrics.
 -module(emqttd_metrics).
 
 -behaviour(gen_server).
@@ -32,10 +31,7 @@
 %% Received/Sent Metrics
 -export([received/1, sent/1]).
 
--export([all/0, value/1,
-         inc/1, inc/2, inc/3,
-         dec/2, dec/3,
-         set/2]).
+-export([all/0, value/1, inc/1, inc/2, inc/3, dec/2, dec/3, set/2]).
 
 %% gen_server Function Exports
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
@@ -240,7 +236,7 @@ key(counter, Metric) ->
 %%--------------------------------------------------------------------
 
 init([]) ->
-    emqttd:seed_now(),
+    emqttd_time:seed(),
     Metrics = ?SYSTOP_BYTES ++ ?SYSTOP_PACKETS ++ ?SYSTOP_MESSAGES,
     % Create metrics table
     ets:new(?METRIC_TAB, [set, public, named_table, {write_concurrency, true}]),
@@ -276,8 +272,7 @@ code_change(_OldVsn, State, _Extra) ->
 %%--------------------------------------------------------------------
 
 publish(Metric, Val) ->
-    Payload = emqttd_util:integer_to_binary(Val),
-    Msg = emqttd_message:make(metrics, metric_topic(Metric), Payload),
+    Msg = emqttd_message:make(metrics, metric_topic(Metric), bin(Val)),
     emqttd_pubsub:publish(emqttd_message:set_flag(sys, Msg)).
 
 create_metric({gauge, Name}) ->
@@ -290,3 +285,5 @@ create_metric({counter, Name}) ->
 metric_topic(Metric) ->
     emqttd_topic:systop(list_to_binary(lists:concat(['metrics/', Metric]))).
 
+bin(I) when is_integer(I) -> list_to_binary(integer_to_list(I)).
+

src/emqttd_mod_presence.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd presence management module
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_mod_presence).
 
 -behaviour(emqttd_gen_mod).
@@ -48,7 +47,7 @@ client_connected(ConnAck, #mqtt_client{client_id  = ClientId,
                               {session, Sess},
                               {protocol, ProtoVer},
                               {connack, ConnAck},
-                              {ts, emqttd_util:now_to_secs()}]),
+                              {ts, emqttd_time:now_to_secs()}]),
     Msg = emqttd_message:make(presence,
                               proplists:get_value(qos, Opts, 0),
                               topic(connected, ClientId),
@@ -58,7 +57,7 @@ client_connected(ConnAck, #mqtt_client{client_id  = ClientId,
 client_disconnected(Reason, ClientId, Opts) ->
     Json = mochijson2:encode([{clientid, ClientId},
                               {reason, reason(Reason)},
-                              {ts, emqttd_util:now_to_secs()}]),
+                              {ts, emqttd_time:now_to_secs()}]),
     Msg = emqttd_message:make(presence,
                               proplists:get_value(qos, Opts, 0),
                               topic(disconnected, ClientId),

src/emqttd_mod_rewrite.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd rewrite module
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_mod_rewrite).
 
 -behaviour(emqttd_gen_mod).

src/emqttd_mod_subscription.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc Subscription from Broker Side
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_mod_subscription).
 
 -behaviour(emqttd_gen_mod).

src/emqttd_mod_sup.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd module supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_mod_sup).
 
 -behaviour(supervisor).
@@ -48,7 +46,6 @@ start_child(ChildSpec) when is_tuple(ChildSpec) ->
 start_child(Mod, Type) when is_atom(Mod) and is_atom(Type) ->
     supervisor:start_child(?MODULE, ?CHILD(Mod, Type)).
 
-
 %%--------------------------------------------------------------------
 %% Supervisor callbacks
 %%--------------------------------------------------------------------

src/emqttd_mqueue.erl

@@ -40,8 +40,7 @@
 %%    otherwise dropped the oldest one.
 %%
 %% @end
-%%
-%% @author Feng Lee <feng@emqtt.io>
+
 -module(emqttd_mqueue).
 
 -include("emqttd.hrl").

src/emqttd_net.erl

@@ -14,17 +14,16 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd net utility functions. some functions copied from rabbitmq.
-%% @author Feng Lee <feng@emqtt.io>
+%% @doc emqttd net utilities.
 -module(emqttd_net).
 
 -include_lib("kernel/include/inet.hrl").
 
--export([tcp_name/3, tcp_host/1, getopts/2, setopts/2,
-         getaddr/2, port_to_listeners/1]).
+-export([tcp_name/3, tcp_host/1, getopts/2, setopts/2, getaddr/2,
+         port_to_listeners/1]).
 
--export([peername/1, sockname/1, format/2, format/1,
-         connection_string/2, ntoa/1]).
+-export([peername/1, sockname/1, format/2, format/1, ntoa/1,
+         connection_string/2]).
 
 -define(FIRST_TEST_BIND_PORT, 10000).
 

src/emqttd_opts.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd options handler.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_opts).
 
 -export([merge/2, g/2, g/3]).

src/emqttd_packet.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Packet Functions
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_packet).
 
 -include("emqttd.hrl").

src/emqttd_parser.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Packet Parser
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_parser).
 
 -include("emqttd.hrl").

src/emqttd_plugins.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd plugins.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_plugins).
 
 -include("emqttd.hrl").

src/emqttd_pool_sup.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc Common Pool Supervisor
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_pool_sup).
 
 -behaviour(supervisor).

src/emqttd_pooler.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd pooler.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_pooler).
 
 -behaviour(gen_server).
@@ -43,7 +41,7 @@ start_link() ->
 %%--------------------------------------------------------------------
 -spec start_link(atom(), pos_integer()) -> {ok, pid()} | ignore | {error, any()}.
 start_link(Pool, Id) ->
-    gen_server:start_link({local, emqttd:reg_name(?MODULE, Id)}, ?MODULE, [Pool, Id], []).
+    gen_server:start_link({local, ?PROC_NAME(?MODULE, Id)}, ?MODULE, [Pool, Id], []).
 
 %% @doc Submit work to pooler
 submit(Fun) -> gen_server:call(worker(), {submit, Fun}, infinity).

src/emqttd_protocol.erl

@@ -14,8 +14,7 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd protocol.
-%% @author Feng Lee <feng@emqtt.io>
+%% @doc MQTT Protocol Processor.
 -module(emqttd_protocol).
 
 -include("emqttd.hrl").

src/emqttd_pubsub.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Core PubSub
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_pubsub).
 
 -behaviour(gen_server2).
@@ -119,7 +117,7 @@ cache_env(Key) ->
     StatsFun :: fun((atom()) -> any()),
     Opts     :: list(tuple()).
 start_link(Pool, Id, StatsFun, Opts) ->
-    gen_server2:start_link({local, emqttd:reg_name(?MODULE, Id)},
+    gen_server2:start_link({local, ?PROC_NAME(?MODULE, Id)},
                            ?MODULE, [Pool, Id, StatsFun, Opts], []).
 
 %% @doc Create Topic or Subscription.
@@ -356,7 +354,7 @@ add_subscription(SubId, {Topic, Qos}) ->
     Pattern = #mqtt_subscription{subid = SubId, topic = Topic, qos = '_'},
     Records = mnesia:match_object(subscription, Pattern, write),
     case lists:member(Subscription, Records) of
-        true  ->
+        true ->
             ok;
         false ->
             [delete_subscription(Record) || Record <- Records],

src/emqttd_pubsub_helper.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %%% @doc PubSub Helper.
-%%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_pubsub_helper).
 
 -behaviour(gen_server).

src/emqttd_pubsub_sup.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc PubSub Supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_pubsub_sup).
 
 -behaviour(supervisor).

src/emqttd_retainer.erl

@@ -16,7 +16,6 @@
 
 %% TODO: should match topic tree
 %% @doc MQTT retained message storage.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_retainer).
 
 -behaviour(gen_server).
@@ -155,7 +154,7 @@ handle_info(expire, State = #state{expired_after = Never})
     {noreply, State, hibernate};
 
 handle_info(expire, State = #state{expired_after = ExpiredAfter}) ->
-    expire(emqttd_util:now_to_secs(os:timestamp()) - ExpiredAfter),
+    expire(emqttd_time:now_to_secs() - ExpiredAfter),
     {noreply, State, hibernate};
 
 handle_info(Info, State) ->

src/emqttd_router.erl

@@ -14,8 +14,7 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Message Router on local node.
-%% @author Feng Lee <feng@emqtt.io>
+%% @doc MQTT Message Router
 -module(emqttd_router).
 
 -behaviour(gen_server2).
@@ -51,7 +50,7 @@
 %% @doc Start a local router.
 -spec start_link(atom(), pos_integer(), fun((atom()) -> ok), list()) -> {ok, pid()} | {error, any()}.
 start_link(Pool, Id, StatsFun, Env) ->
-    gen_server2:start_link({local, emqttd:reg_name(?MODULE,Id)},
+    gen_server2:start_link({local, ?PROC_NAME(?MODULE, Id)},
                            ?MODULE, [Pool, Id, StatsFun, Env], []).
 
 %% @doc Route Message on the local node.
@@ -138,7 +137,7 @@ pick(Topic) ->
     gproc_pool:pick_worker(router, Topic).
 
 stop(Id) when is_integer(Id) ->
-    gen_server2:call(emqttd:reg_name(?MODULE, Id), stop).
+    gen_server2:call(?PROC_NAME(?MODULE, Id), stop).
 
 call(Router, Request) ->
     gen_server2:call(Router, Request, infinity).
@@ -148,13 +147,13 @@ cast(Router, Msg) ->
 
 init([Pool, Id, StatsFun, Opts]) ->
 
+    emqttd_time:seed(),
+
     %% Calls from pubsub should be scheduled first?
     process_flag(priority, high),
 
     ?GPROC_POOL(join, Pool, Id),
 
-    emqttd:seed_now(),
-
     AgingSecs = proplists:get_value(route_aging, Opts, 5),
 
     %% Aging Timer
@@ -208,7 +207,7 @@ handle_info({clean, aged}, State = #state{aging = Aging}) ->
 
     #aging{topics = Dict, time = Time} = Aging,
 
-    ByTime  = emqttd_util:now_to_secs() - Time,
+    ByTime  = emqttd_time:now_to_secs() - Time,
 
     Dict1 = try_clean(ByTime, dict:to_list(Dict)),
 
@@ -269,7 +268,7 @@ delete_topic(TopicR) ->
     mnesia:delete_object(topic, TopicR, write).
 
 store_aged(Topic, Aging = #aging{topics = Dict}) ->
-    Now = emqttd_util:now_to_secs(),
+    Now = emqttd_time:now_to_secs(),
     Aging#aging{topics = dict:store(Topic, Now, Dict)}.
 
 setstats(State = #state{statsfun = StatsFun}) ->

src/emqttd_serializer.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Packet Serializer
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_serializer).
 
 -include("emqttd.hrl").

src/emqttd_session.erl

@@ -36,8 +36,7 @@
 %% State of Message:  newcome, inflight, pending
 %%
 %% @end
-%%
-%% @author Feng Lee <feng@emqtt.io>
+
 -module(emqttd_session).
 
 -include("emqttd.hrl").

src/emqttd_session_sup.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd session supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_session_sup).
 
 -behavior(supervisor).

src/emqttd_sm.erl

@@ -15,9 +15,10 @@
 %%--------------------------------------------------------------------
 
 %% @doc Session Manager
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_sm).
 
+-behaviour(gen_server2).
+
 -include("emqttd.hrl").
 
 -include("emqttd_internal.hrl").
@@ -35,8 +36,6 @@
 
 -export([register_session/3, unregister_session/2]).
 
--behaviour(gen_server2).
-
 %% gen_server Function Exports
 -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
          terminate/2, code_change/3]).
@@ -75,7 +74,7 @@ mnesia(copy) ->
 %% @doc Start a session manager
 -spec start_link(atom(), pos_integer()) -> {ok, pid()} | ignore | {error, any()}.
 start_link(Pool, Id) ->
-    gen_server2:start_link({local, emqttd:reg_name(?MODULE, Id)}, ?MODULE, [Pool, Id], []).
+    gen_server2:start_link({local, ?PROC_NAME(?MODULE, Id)}, ?MODULE, [Pool, Id], []).
 
 %% @doc Start a session
 -spec start_session(CleanSess :: boolean(), binary()) -> {ok, pid(), boolean()} | {error, any()}.

src/emqttd_sm_helper.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc Session Helper.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_sm_helper).
 
 -behaviour(gen_server).

src/emqttd_sm_sup.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc Session Manager Supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_sm_sup).
 
 -behaviour(supervisor).
@@ -26,8 +25,7 @@
 
 -define(HELPER, emqttd_sm_helper).
 
--define(TABS, [mqtt_transient_session,
-               mqtt_persistent_session]).
+-define(TABS, [mqtt_transient_session, mqtt_persistent_session]).
 
 %% API
 -export([start_link/0]).

src/emqttd_stats.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd statistics
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_stats).
 
 -include("emqttd.hrl").
@@ -118,7 +117,7 @@ setstats(Stat, MaxStat, Val) ->
 %%--------------------------------------------------------------------
 
 init([]) ->
-    emqttd:seed_now(),
+    emqttd_time:seed(),
     ets:new(?STATS_TAB, [set, public, named_table, {write_concurrency, true}]),
     Topics = ?SYSTOP_CLIENTS ++ ?SYSTOP_SESSIONS ++ ?SYSTOP_PUBSUB ++ ?SYSTOP_RETAINED,
     ets:insert(?STATS_TAB, [{Topic, 0} || Topic <- Topics]),
@@ -166,10 +165,11 @@ code_change(_OldVsn, State, _Extra) ->
 %%--------------------------------------------------------------------
 
 publish(Stat, Val) ->
-    Msg = emqttd_message:make(stats, stats_topic(Stat),
-                              emqttd_util:integer_to_binary(Val)),
+    Msg = emqttd_message:make(stats, stats_topic(Stat), bin(Val)),
     emqttd_pubsub:publish(Msg).
 
 stats_topic(Stat) ->
     emqttd_topic:systop(list_to_binary(lists:concat(['stats/', Stat]))).
 
+bin(I) when is_integer(I) -> list_to_binary(integer_to_list(I)).
+

src/emqttd_sup.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc emqttd top supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_sup).
 
 -behaviour(supervisor).
@@ -42,10 +41,7 @@ start_link() ->
 start_child(ChildSpec) when is_tuple(ChildSpec) ->
     supervisor:start_child(?MODULE, ChildSpec).
 
-%%
-%% start_child(Mod::atom(), Type::type()) -> {ok, pid()}
-%% @type type() = worker | supervisor
-%%
+-spec start_child(Mod::atom(), Type :: worker | supervisor) -> {ok, pid()}.
 start_child(Mod, Type) when is_atom(Mod) and is_atom(Type) ->
     supervisor:start_child(?MODULE, ?CHILD(Mod, Type)).
 

src/emqttd_sysmon.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc VM System Monitor
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_sysmon).
 
 -behavior(gen_server).

src/emqttd_sysmon_sup.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd sysmon supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_sysmon_sup).
 
 -behaviour(supervisor).
@@ -30,8 +28,7 @@ start_link() ->
     supervisor:start_link({local, ?MODULE}, ?MODULE, []).
 
 init([]) ->
-    Env = emqttd:env(sysmon),
-    {ok, {{one_for_one, 10, 100},
-          [{sysmon, {emqttd_sysmon, start_link, [Env]},
-             permanent, 5000, worker, [emqttd_sysmon]}]}}.
+    Sysmon = {sysmon, {emqttd_sysmon, start_link, [emqttd:env(sysmon)]},
+                permanent, 5000, worker, [emqttd_sysmon]} ,
+    {ok, {{one_for_one, 10, 100}, [Sysmon]}}.
 

src/emqttd_topic.erl

@@ -15,7 +15,6 @@
 %%--------------------------------------------------------------------
 
 %% @doc MQTT Topic Functions
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_topic).
 
 -import(lists, [reverse/1]).
@@ -26,8 +25,6 @@
 
 -type topic() :: binary().
 
-%-type type()   :: static | dynamic.
-
 -type word()   :: '' | '+' | '#' | binary().
 
 -type words()  :: list(word()).
@@ -38,10 +35,7 @@
 
 -define(MAX_TOPIC_LEN, 4096).
 
-%%%-----------------------------------------------------------------------------
 %% @doc Is wildcard topic?
-%% @end
-%%%-----------------------------------------------------------------------------
 -spec wildcard(topic()) -> true | false.
 wildcard(Topic) when is_binary(Topic) ->
     wildcard(words(Topic));
@@ -54,10 +48,7 @@ wildcard(['+'|_]) ->
 wildcard([_H|T]) ->
     wildcard(T).
 
-%%------------------------------------------------------------------------------
 %% @doc Match Topic name with filter
-%% @end
-%%------------------------------------------------------------------------------
 -spec match(Name, Filter) -> boolean() when
     Name    :: topic() | words(),
     Filter  :: topic() | words().
@@ -82,10 +73,7 @@ match([_H1|_], []) ->
 match([], [_H|_T2]) ->
     false.
 
-%%------------------------------------------------------------------------------
 %% @doc Validate Topic
-%% @end
-%%------------------------------------------------------------------------------
 -spec validate({name | filter, topic()}) -> boolean().
 validate({_, <<>>}) ->
     false;
@@ -120,10 +108,7 @@ validate3(<<C/utf8, _Rest/binary>>) when C == $#; C == $+; C == 0 ->
 validate3(<<_/utf8, Rest/binary>>) ->
     validate3(Rest).
 
-%%%-----------------------------------------------------------------------------
 %% @doc Topic to Triples
-%% @end
-%%%-----------------------------------------------------------------------------
 -spec triples(topic()) -> list(triple()).
 triples(Topic) when is_binary(Topic) ->
     triples(words(Topic), root, []).
@@ -145,10 +130,7 @@ bin('+') -> <<"+">>;
 bin('#') -> <<"#">>;
 bin(B) when is_binary(B) -> B.
 
-%%------------------------------------------------------------------------------
 %% @doc Split Topic Path to Words
-%% @end
-%%------------------------------------------------------------------------------
 -spec words(topic()) -> words().
 words(Topic) when is_binary(Topic) ->
     [word(W) || W <- binary:split(Topic, <<"/">>, [global])].
@@ -158,21 +140,14 @@ word(<<"+">>) -> '+';
 word(<<"#">>) -> '#';
 word(Bin)     -> Bin.
 
-%%------------------------------------------------------------------------------
 %% @doc Queue is a special topic name that starts with "$Q/"
-%% @end
-%%------------------------------------------------------------------------------
 -spec is_queue(topic()) -> boolean().
 is_queue(<<"$Q/", _Queue/binary>>) ->
     true;
 is_queue(_) ->
     false.
 
-%%------------------------------------------------------------------------------
 %% @doc '$SYS' Topic.
-%% @end
-%%------------------------------------------------------------------------------
-
 systop(Name) when is_atom(Name) ->
     list_to_binary(lists:concat(["$SYS/brokers/", node(), "/", Name]));
 

src/emqttd_trace.erl

@@ -14,8 +14,9 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Trace MQTT packets/messages by ClientID or Topic.
-%% @author Feng Lee <feng@emqtt.io>
+%% @doc
+%% Trace MQTT packets/messages by ClientID or Topic.
+%% @end
 -module(emqttd_trace).
 
 -behaviour(gen_server).

src/emqttd_trace_sup.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd trace supervisor.
-%% @author Feng Lee <feng@emqtt.io>
 -module(emqttd_trace_sup).
 
 -behaviour(supervisor).
@@ -30,7 +28,7 @@ start_link() ->
     supervisor:start_link({local, ?MODULE}, ?MODULE, []).
 
 init([]) ->
-    {ok, {{one_for_one, 10, 100},
-          [{trace, {emqttd_trace, start_link, []},
-              permanent, 5000, worker, [emqttd_trace]}]}}.
+    Trace = {trace, {emqttd_trace, start_link, []},
+              permanent, 5000, worker, [emqttd_trace]},
+    {ok, {{one_for_one, 10, 100}, [Trace]}}.
 

src/emqttd_vm.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd erlang vm.
-%% @author @huangdan
 -module(emqttd_vm).
 
 -export([schedulers/0]).

src/emqttd_ws_client.erl

@@ -14,11 +14,8 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc emqttd websocket client
 -module(emqttd_ws_client).
 
--author("Feng Lee <feng@emqtt.io>").
-
 -include("emqttd.hrl").
 
 -include("emqttd_protocol.hrl").

src/lager_emqtt_backend.erl

@@ -14,8 +14,6 @@
 %% limitations under the License.
 %%--------------------------------------------------------------------
 
-%% @doc Lager logger backend.
-%% @author Feng Lee <feng@emqtt.io>
 -module(lager_emqtt_backend).
 
 -behaviour(gen_event).

test/emqttd_tests.erl

@@ -20,8 +20,5 @@
 
 -include_lib("eunit/include/eunit.hrl").
 
-seed_now_test() ->
-    ?assertNotEqual(emqttd:seed_now(), emqttd:seed_now()).
-
 -endif.